[Ns-developers] GSoC: Proposal of Mobile P2P

[Zhijie Shen]

All dear mentors,

I've just submitted my proposal of Mobile P2P on GSoC website. Please help
me to review my proposal if it is convenient for you. Any comments and
suggestions are welcome. Thank you very much!

On Tue, Mar 30, 2010 at 8:47 PM, Marcello Caleffi <marcello.caleffi at unina.it
> wrote:

> Il giorno 30/mar/2010, alle ore 05.36, Zhijie Shen ha scritto:
>
> > Dr. Marcello Caleff,
> >
> > Thank you for your effort to read my draft. You comments are valuable. I
> also have something to discuss with you.
> >
> > On Tue, Mar 30, 2010 at 4:46 AM, Marcello Caleffi <
> marcello.caleffi at unina.it> wrote:
> > Dear Shen,
> > below you find some preliminary comments. Please be very active in the
> discussion, i.e. please defend your chooses against my observations if you
> believe I'm wrong.
> >
> > > Like the ISO architecture, I abstract the P2P framework as a standalone
> layer, i.e. overlay between the networking and the application layers.
> > I doubt that a layered model can be used in Mobile P2P networks, where
> different approaches (traditional, cross layer and integrated) have been
> proposed. However, I agree with you that this can improve the code re-use.
> > > Thus, we can decouple the overlay structure and the algorithm with the
> strategy or the template design patterns.
> >
> > Interesting, but hard to implement.
> >
> > As I mentioned in the draft, the reason why I prefer other simulators to
> ns-2 is that it hasn't provided a good p2p framework. I agree with you a
> complete and standalone framework is difficult to implement. But it is not
> impossible. Please check the OverSim http://www.oversim.org/ and the OPSS
> http://minerva.netgroup.uniroma2.it/p2p. They tried to pursue the same
> target. See if you have any interest in this. But maybe it is not suitable
> for the GSoC project. It requires a long-term effort.
>
> I don't want to change your mind, really, also 'cause your intentions are
> good. Just be sure to propose a reasonable working plan.
>
>
> > > Furthermore, a bootstrap module is required because many overlays
> resort to it for starting.
> > Please, can you explain which bootstrap services you are referring to?
> > > I plan to design an observer to subscribe the nodes in the overlay to
> watch their churn events, messages and the moving information of ad-hoc
> nodes.
> > I saw that the tracing module requires a considerable amount of time
> (three weeks) in your plan. Is it strictly necessary? I mean, why you cannot
> adopts standard ns-3 tracing?
> > > There is an additional module, i.e. churn generator, which is used to
> generate the node arrival and leave events.
> >
> > The churn model is useful, but not strictly needed in my opinion. Don't
> you think that the node mobility already provides such kinds of events?
> > I'm not aware any sophisticated modules beyond ./core/log. Can you help
> me to name them? Thanks! I have not address this clear. In OMNeT++, there is
> an obversor module subsribe the peers and watch their states. My wish is to
> provide the similar function to the P2P framework in NS-3. Another issue I
> should discuss with you is the mobility. The current module in NS-3 seems to
> only support the random and constant models. Is it enough for M-DART? As far
> as I know, the clustering model should be another good one.
>
> Again, the issue is the time. We need good mobility models, but your task
> is to implement a Mobile P2P protocol. So, my opinion is that you reach your
> goals if you are able to implement a fully functional MP2P protocol. Other
> aspects can improve your work, but please be focused on the main task.
>
> >
> > The general design seems to me very generalist. Please could you give
> more details about the M-DART classes and functionalities?
> > Yes, I've not address M-DART part clearly. I'll try to make up for. As
> I'm also working on a paper simultaneously, there should be some delay of my
> next draft. But I'll notifiy you as soon as I complete it.
>
> Fine :). Upload it on GSoC web site where all the mentors can review it.
>
> > Best,
> > Marcello
> >
> > PS I don't have forwarded your proposal to the mailing list in case you
> prefer to keep it confidentially. However, I'm involving the list in the
> discussion since I really trust that you could benefit from it.
> >
> >
> >
> > Il giorno 29/mar/2010, alle ore 14.39, Zhijie Shen ha scritto:
> >
> > > Dear Dr. Marcello Caleffi, in the attachment is the first draft of my
> proposal. Please help me to figure out the defects and give me some
> suggestions.
> > >
> > > And Dear Dr. Tom Henderson, if you are willing to give some comments, I
> will appreciate them as well.
> > >
> > > Thank you all!
> > >
> > > Regards,
> > >
> > > --
> > > Shen Zhijie
> > > School of Computing
> > > National University of Singapore
> > > <proposal.pdf>
> >
> >
> >
> >
> > --
> > Shen Zhijie
> > School of Computing
> > National University of Singapore
>
> Marcello




-- 
Shen Zhijie
School of Computing
National University of Singapore